SHH and neoplasm: Our independent IHC experiments further confirmed that the IHC scores of SHH (4.56 ± 1.46 vs. 2.16 ± 0.79, p < 0.0001), EPOP (4.91 ± 1.76 vs. 2.84 ± 1.05, p < 0.0001), and WDR72 (4.73 ± 2.03 vs. 2.91 ± 2.15, p < 0.01) were significantly greater in tumor tissues than in normal tissues.